Screen size
K22Winner: 6.2"+61%
KF750 Secret2.4"
Quick verdict
K22 leads the measured specs 14-1.
Measured wins
K22
14
spec wins
Overall winner
Ties
3
equal specs
KF750 Secret
1
spec wins
Screen size
Technology
K22
GSM / HSPA / LTE
KF750 Secret
GSM / HSPA
2G bands
K22
GSM 850 / 900 / 1800 / 1900
KF750 Secret
GSM 900 / 1800 / 1900
3G bands
K22
HSDPA 850 / 900 / 1900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Brazil
KF750 Secret
HSDPA 2100
4G bands
K22
1, 3, 5, 7, 8, 20, 28, 38, 40 - International, 1, 3, 7, 8, 20, 28 - Europe, 1, 3, 5, 7, 8, 20, 28, 40 - Brazil
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
KF750 Secret
-
Speed
K22
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
KF750 Secret
HSPA 3.6/0.384 Mbps
Announced
K22
2020, September 12. Released 2020, September 12
KF750 Secret
2008, April. Released 2008, June
Status
K22
Discontinued
KF750 Secret
Discontinued
Dimensions
K22
155.7 x 75.4 x 8.4 mm (6.13 x 2.97 x 0.33 in)
KF750 Secret
102.8 x 50.8 x 11.8 mm (4.05 x 2.0 x 0.46 in)
Weight
K22
169.5 g (6.00 oz)
KF750 Secret
116 g (4.09 oz)
Build
K22
Glass front, plastic frame, plastic back
KF750 Secret
-
SIM
K22
Nano-SIM + Nano-SIM
KF750 Secret
Mini-SIM
Other
K22
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KF750 Secret
-
Type
K22
IPS LCD, 400 nits (typ)
KF750 Secret
TFT, 256K colors
Size
K22
6.2 inches, 95.9 cm2 (~81.7% screen-to-body ratio)
KF750 Secret
2.4 inches, 17.8 cm2 (~34.2% screen-to-body ratio)
Resolution
K22
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
KF750 Secret
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Protection
K22
-
KF750 Secret
Scratch-resistant glass
Other
K22
-
KF750 Secret
Limited touchscreen functionality
OS
K22
Android 10
KF750 Secret
-
Chipset
K22
Qualcomm QM215 Snapdragon 215 (28 nm)
KF750 Secret
-
CPU
K22
Quad-core 1.3 GHz Cortex-A53
KF750 Secret
-
GPU
K22
Adreno 308
KF750 Secret
-
Card slot
K22
microSDXC
KF750 Secret
microSDHC (dedicated slot)
Internal
K22
32GB 2GB RAM, 64GB 3GB RAM
KF750 Secret
100MB
Other
K22
eMMC 5.1
KF750 Secret
100 MB user available memory
Phonebook
K22
-
KF750 Secret
1000 entries, Photocall
Call records
K22
-
KF750 Secret
40 dialed, 40 received, 40 missed calls
Dual
K22
13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF 2 MP (macro)
KF750 Secret
-
Features
K22
LED flash, HDR
KF750 Secret
LED flash
Video
K22
1080p@30fps
KF750 Secret
480p@30fps, 320p@120fps
Single
K22
-
KF750 Secret
5 MP, AF
Single
K22
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KF750 Secret
Videocall camera
Video
K22
1080p@30fps
KF750 Secret
Loudspeaker
K22
Yes
KF750 Secret
Yes
3.5mm jack
K22
Yes
KF750 Secret
No
Alert types
K22
-
KF750 Secret
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
K22
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KF750 Secret
No
Bluetooth
K22
5.0, A2DP, LE
KF750 Secret
2.0, A2DP
Positioning
K22
GPS, GLONASS
KF750 Secret
No
NFC
K22
No
KF750 Secret
-
Radio
K22
FM radio (market/operator dependent)
KF750 Secret
Stereo FM radio, RDS
USB
K22
microUSB 2.0, OTG
KF750 Secret
2.0
Sensors
K22
Accelerometer, proximity, compass
KF750 Secret
Accelerometer
Messaging
K22
-
KF750 Secret
SMS, EMS, MMS, Email
Browser
K22
-
KF750 Secret
WAP 2.0/xHTML, HTML
Games
K22
-
KF750 Secret
6, incl. motion-based + downloadable
Java
K22
-
KF750 Secret
Yes, MIDP 2.0
Other
K22
-
KF750 Secret
Carbon fiber battery cover MP3/WMA/AAC/AAC+ player MP4/DivX(up to 640x480) player TV-out Document viewer (Word, Excel, PowerPoint, PDF) Predictive text input Organizer Voice memo
Type
K22
Li-Po 3000 mAh
KF750 Secret
Removable Li-Ion 800 mAh battery
Stand-by
K22
-
KF750 Secret
Up to 260 h
Talk time
K22
-
KF750 Secret
Up to 4 h
Colors
K22
Titan, Blue
KF750 Secret
Black, Ruby Violet, Titan Gold
Models
K22
LMK200Z, LMK200E, LMK200B, LM-K200
KF750 Secret
-
Price
K22
About 140 EUR
KF750 Secret
About 100 EUR
SAR
K22
-
KF750 Secret
0.50 W/kg (head) 0.76 W/kg (body)